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A particle falls towards earth from infinity. Its velocity on reaching the earth would be
Options
(a) infinity
(b) √(2gR)
(c) 2 √(Rg)
(d) zero
Correct Answer:
√(2gR)
Explanation:
No explanation available. Be the first to write the explanation for this question by commenting below.
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Topics: Gravitation
(63)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- A particle of mass m executes simple harmonic motion with amplitude
- Two sources P and Q produce notes of frequency 660 Hz each.
- A 1kg stone at the end of 1 m long string is whirled in a vertical circle at constant speed
- A coin of mass m and radius r having moment of inertia I about the axis passes
- The order of radius of the nucleus of an atom is
Topics: Gravitation (63)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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Velocity will be equal to the escape velocity from Earth i,e root over of 2gR